Retaining wall block



FIG. 1 is a perspective view of a retaining wall block showing my new design, as seen from a top, side, front vantage;

FIG. 2 is a perspective view thereof, as seen from a bottom, side, rear vantage;

FIG. 3 is a top plan thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a side elevation thereof, as seen from the left side shown in FIG. 1;

FIG. 6 is a side elevation thereof, as seen from the opposite side;

FIG. 7 is a front elevation thereof; and,

FIG. 8 is a bottom plan thereof. 

The ornamental design for a retaining wall block, as shown and described. 